31424912820

Names of 31424912820

• Cardinal: 31424912820 can be written as Thirty-one billion, four hundred twenty-four million, nine hundred twelve thousand, eight hundred twenty.

Scientific notation

• Scientific notation: 3.142491282 × 10¹⁰

Factors of 31424912820

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 23065

Divisors of 31424912820

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 5 6 7 9 10 12 14 15 18 19 20 21 27 28 30 35 36 38 42 45 54 57 60 63 70 76 84 90 95 105 108 114 126 133 135 140 171 180 189 190 210 228 252 266 270 285 315 342 361 378 380 399 420 513 532 540 570 630 665 684 722 756 798 855 945 1026 1083 1140 1197 1260 1330 1444 1596 1710 1805 1890 1995 2052 2166 2394 2527 2565 2660 3249 3420 3591 3610 3780 3990 4332 4788 5054 5130 5415 5985 6498 7182 7220 7581 7980 9747 10108 10260 10830 11970 12635 12996 14364 15162 16245 17955 19494 21660 22743 23029 23940 25270 30324 32490 35910 37905 38988 45486 46058 48735 50540 64980 68229 69087 71820 75810 90972 92116 97470 113715 115145 136458 138174 151620 161203 194940 207261 227430 230290 272916 276348 322406 341145 345435 414522 437551 454860 460580 483609 621783 644812 682290 690870 806015 829044 875102 967218 1036305 1243566 1312653 1364580 1381740 1450827 1612030 1750204 1934436 2072610 2187755 2418045 2487132 2625306 2901654 3062857 3108915 3224060 3937959 4145220 4352481 4375510 4836090 5250612 5803308 6125714 6217830 6563265 7254135 7875918 8313469 8704962 8751020 9188571 9672180 11813877 12251428 12435660 13126530 14508270 15314285 15751836 16626938 17409924 18377142 19689795 21762405 23627754 24940407 26253060 27565713 29016540 30628570 33253876 36754284 39379590 41567345 43524810 45942855 47255508 49880814 55131426 58194283 59069385 61257140 74821221 78759180 82697139 83134690 87049620 91885710 99761628 110262852 116388566 118138770 124702035 137828565 149642442 165394278 166269380 174582849 183771420 224463663 232777132 236277540 249404070 275657130 290971415 299284884 330788556 349165698 374106105 413485695 448927326 498808140 523748547 551314260 581942830 698331396 748212210 826971390 872914245 897854652 1047497094 1122318315 1163885660 1496424420 1571245641 1653942780 1745828490 2094994188 2244636630 2618742735 3142491282 3491656980 4489273260 5237485470 6284982564 7856228205 10474970940 15712456410 31424912820
• Sum of all divisors σ(n): 117928339200
• Sum of proper divisors (its aliquot sum) s(n): 86503426380
• 31424912820 is an abundant number, because the sum of its proper divisors (86503426380) is greater than itself. Its abundance is 55078513560

Bases of 31424912820

• Binary: 11101010001000100100001110110110100₂
• Hexadecimal: 0x751121DB4
• Base-36: EFPKXX0

Squares and roots of 31424912820

• 31424912820 squared (31424912820²) is 987525145744600352400
• 31424912820 cubed (31424912820³) is 31032891612581860059911277768000
• The square root of 31424912820 is 177270.7331174551
• The cube root of 31424912820 is 3155.6683968269

Scales and comparisons

• 31,424,912,820 seconds is equal to 999 years, 11 weeks, 1 day, 6 hours, 27 minutes.
• To count from 1 to 31,424,912,820 would take you about one thousand, nine hundred ninety-eight years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 31424912820 cubic inches would be around 263 feet tall.

Recreational maths with 31424912820

• 31424912820 backwards is 02821942413
• 31424912820 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 31424912820's digits is 36
• More coming soon!